Examples with GradientPaint java.awt.GradientPaint used on opensource projects

Example 16 with GradientPaint

use of java.awt.GradientPaint in project processdash by dtuma.

the class ReportsAndToolsIcon method paintLargeIconImpl.

private void paintLargeIconImpl(Graphics2D g2, int pw, int ph) {
    // draw a white page with a black outline.
    int pageHeight = ph - 1;
    int pageWidth = ph * 9 / 11;
    g2.setColor(Color.white);
    g2.fillRect(0, 0, pageWidth, pageHeight);
    g2.setColor(Color.gray);
    g2.drawRect(0, 0, pageWidth, pageHeight);
    // draw text onto the page
    int pad = 1 + ph / 20;
    float lineSpacing = Math.max(2, ph / 14);
    float fontSize = 0.85f * lineSpacing;
    float y = pad + lineSpacing;
    g2.setClip(pad + 1, pad, pageWidth - 2 * pad, pageHeight - 2 * pad);
    g2.setFont(new Font("Dialog", Font.PLAIN, 10).deriveFont(fontSize));
    g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    g2.setColor(Color.darkGray);
    String s = TEXT;
    while (y <= ph) {
        g2.drawString(s, pad + 1, y);
        s = s.substring(20);
        if (s.charAt(0) == ' ')
            s = s.substring(1);
        y += lineSpacing;
    }
    // calculate the geometry for the chart in the lower-left corner
    int barWidth = pageWidth / 5;
    int chartHeight = (int) (pageHeight * 0.4);
    int chartTop = pageHeight - pad - chartHeight;
    Rectangle2D[] bars = new Rectangle2D[BAR_DELTA.length];
    for (int i = bars.length; i-- > 0; ) {
        float barGap = chartHeight * BAR_DELTA[i];
        bars[i] = new Rectangle2D.Float(pad + 1 + barWidth * i, chartTop + barGap, barWidth, chartHeight);
    }
    // draw white areas to ensure the text doesn't run into the bars
    g2.setColor(Color.white);
    g2.setStroke(new BasicStroke(Math.max(3, 1 + pad * 1.2f)));
    for (int i = bars.length; i-- > 0; ) g2.draw(bars[i]);
    // draw the bars themselves
    for (int i = bars.length; i-- > 0; ) {
        Color light = PaintUtils.mixColors(BAR_COLORS[i], Color.white, 0.7);
        g2.setPaint(new GradientPaint((int) bars[i].getX(), 0, BAR_COLORS[i], (int) bars[i].getMaxX(), 0, light));
        g2.fill(bars[i]);
    }
    // draw the calculator
    ImageIcon calc = loadImage("calc.png");
    int calcHeight = ph * 2 / 3;
    float calcScale = calcHeight / (float) calc.getIconHeight();
    int calcWidth = (int) (0.5 + calc.getIconWidth() * calcScale);
    int calcLeft = (int) (pageWidth - pad * 2 / 3);
    int calcTop = ph / 4;
    Image scaledCalc = new ImageIcon(//
    calc.getImage().getScaledInstance(calcWidth, calcHeight, Image.SCALE_SMOOTH)).getImage();
    g2.setClip(null);
    g2.drawImage(scaledCalc, calcLeft, calcTop, null);
}

Example 17 with GradientPaint

use of java.awt.GradientPaint in project processdash by dtuma.

the class CGIChartBase method writeContents.

/** Generate CGI chart output. */
@Override
protected void writeContents() throws IOException {
    // get the data for display
    buildData();
    chromeless = (parameters.get("chromeless") != null);
    JFreeChart chart = createChart();
    int width = getIntSetting("width");
    int height = getIntSetting("height");
    Color initGradColor = getColorSetting("initGradColor");
    Color finalGradColor = getColorSetting("finalGradColor");
    chart.setBackgroundPaint(new GradientPaint(0, 0, initGradColor, width, height, finalGradColor));
    if (parameters.get("hideOutline") != null)
        chart.getPlot().setOutlinePaint(INVISIBLE);
    String title = getSetting("title");
    if (chromeless || title == null || title.length() == 0)
        chart.setTitle((TextTitle) null);
    else {
        chart.setTitle(Translator.translate(title));
        String titleFontSize = getSetting("titleFontSize");
        if (titleFontSize != null)
            try {
                float fontSize = Float.parseFloat(titleFontSize);
                TextTitle t = chart.getTitle();
                t.setFont(t.getFont().deriveFont(fontSize));
            } catch (Exception tfe) {
            }
    }
    if (chromeless || parameters.get("hideLegend") != null)
        chart.removeLegend();
    else {
        LegendTitle l = chart.getLegend();
        String legendFontSize = getSetting("legendFontSize");
        if (l != null && legendFontSize != null)
            try {
                float fontSize = Float.parseFloat(legendFontSize);
                l.setItemFont(l.getItemFont().deriveFont(fontSize));
            } catch (Exception lfe) {
            }
    }
    chart.getPlot().setNoDataMessage(resources.getString("No_Data_Message"));
    Axis xAxis = getHorizontalAxis(chart);
    if (xAxis != null) {
        if (parameters.get("hideTickLabels") != null || parameters.get("hideXTickLabels") != null) {
            xAxis.setTickLabelsVisible(false);
        } else if (parameters.get("tickLabelFontSize") != null || parameters.get("xTickLabelFontSize") != null) {
            String tfs = getParameter("xTickLabelFontSize");
            if (tfs == null)
                tfs = getParameter("tickLabelFontSize");
            float fontSize = Float.parseFloat(tfs);
            xAxis.setTickLabelFont(xAxis.getTickLabelFont().deriveFont(fontSize));
        }
    }
    Axis yAxis = getVerticalAxis(chart);
    if (yAxis != null) {
        if (parameters.get("hideTickLabels") != null || parameters.get("hideYTickLabels") != null) {
            yAxis.setTickLabelsVisible(false);
        } else if (parameters.get("tickLabelFontSize") != null || parameters.get("yTickLabelFontSize") != null) {
            String tfs = getParameter("yTickLabelFontSize");
            if (tfs == null)
                tfs = getParameter("tickLabelFontSize");
            float fontSize = Float.parseFloat(tfs);
            yAxis.setTickLabelFont(yAxis.getTickLabelFont().deriveFont(fontSize));
        }
    }
    String axisFontSize = getSetting("axisLabelFontSize");
    if (axisFontSize != null)
        try {
            float fontSize = Float.parseFloat(axisFontSize);
            if (xAxis != null)
                xAxis.setLabelFont(xAxis.getLabelFont().deriveFont(fontSize));
            if (yAxis != null)
                yAxis.setLabelFont(yAxis.getLabelFont().deriveFont(fontSize));
        } catch (Exception afs) {
        }
    ChartRenderingInfo info = (isHtmlMode() ? new ChartRenderingInfo() : null);
    BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = img.createGraphics();
    if ("auto".equals(getSetting("titleFontSize")))
        maybeAdjustTitleFontSize(chart, g2, width);
    chart.draw(g2, new Rectangle2D.Double(0, 0, width, height), info);
    g2.dispose();
    String outputFormat = getSetting("outputFormat");
    OutputStream imgOut;
    if (isHtmlMode()) {
        imgOut = PngCache.getOutputStream();
    } else {
        imgOut = outStream;
    }
    ImageIO.write(img, outputFormat, imgOut);
    imgOut.flush();
    imgOut.close();
    if (isHtmlMode())
        writeImageHtml(width, height, imgOut.hashCode(), info);
}

Example 18 with GradientPaint

use of java.awt.GradientPaint in project jdk8u_jdk by JetBrains.

the class TransformedPaintTest method createPaint.

private Paint createPaint(PaintType type, int startx, int starty, int w, int h) {
    // make sure that the blue color doesn't show up when filling a
    // w by h rect
    w++;
    h++;
    int endx = startx + w;
    int endy = starty + h;
    Rectangle2D.Float r = new Rectangle2D.Float(startx, starty, w, h);
    switch(type) {
        case COLOR:
            return Color.red;
        case GRADIENT:
            return new GradientPaint(startx, starty, Color.red, endx, endy, Color.green);
        case LINEAR_GRADIENT:
            return new LinearGradientPaint(startx, starty, endx, endy, new float[] { 0.0f, 0.999f, 1.0f }, new Color[] { Color.red, Color.green, Color.blue });
        case RADIAL_GRADIENT:
            return new RadialGradientPaint(startx, starty, (float) Math.sqrt(w * w + h * h), new float[] { 0.0f, 0.999f, 1.0f }, new Color[] { Color.red, Color.green, Color.blue }, CycleMethod.NO_CYCLE);
        case TEXTURE:
            {
                BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
                Graphics2D g = (Graphics2D) bi.getGraphics();
                g.setPaint(createPaint(PaintType.LINEAR_GRADIENT, 0, 0, w, h));
                g.fillRect(0, 0, w, h);
                return new TexturePaint(bi, r);
            }
    }
    return Color.green;
}

Example 19 with GradientPaint

use of java.awt.GradientPaint in project processdash by dtuma.

the class FilterIcon method finalizeColors.

@Override
protected void finalizeColors() {
    Color shadow = PaintUtils.mixColors(fill, Color.black, 0.3f);
    this.gradient = new GradientPaint(width / 2, 0, fill, width, 0, shadow);
}

Example 20 with GradientPaint

use of java.awt.GradientPaint in project processdash by dtuma.

the class FolderIcon method paintIcon.

@Override
protected void paintIcon(Graphics2D g2, Shape clip, float scale) {
    // paint the back of the folder
    g2.setColor(shadow);
    g2.fill(back);
    g2.setStroke(new BasicStroke(1 / scale));
    g2.setColor(edge);
    g2.draw(back);
    // paint the front of the folder
    g2.setPaint(new GradientPaint(12, 7, fill, 13, 12, shadow));
    g2.fill(front);
    g2.setColor(edge);
    g2.draw(front);
}